We've got the thread for general thoughts, but I thought it might be a good idea for Cocop, Voc, and whoever else to be able to come in here and find a thread with only constructive feedback and suggestions from the community. Since I was given the impression that there is still time to make slight adjustments, I figure there could be no harm in at least putting these out there.
Since it's already been stated that the original game is remaining the same and all that's being added is another graphical layer on top of that, my only two suggestions thus far are this:
Change Master Chief's look back to what his armor combo was in Reach. Get rid of the UNSC stamps on the shoulders and maybe the knife, and you've got it. We were all fairly happy with that in Reach, there's no need to change it if it's in the same graphics engine.
Get rid of the purple hue in space around the Halo. Part of what made it so ominous and mysterious in the first game was that it made us as players feel isolated from the rest of the universe, and this was achieved through having the blackness of space completely surrounding the ring, so that the only life and familiar landscapes were ironically found on the Halo, which was most alien of all. The purple hue just makes it feel colorful and more lighthearted... I didn't get any sort of ominous feel from it looking at that image. There's no real need to change it, especially if you're going in the Reach engine. Keep it similar to how it looked at the end of Reach. That was perfect.

Rehost that shit with abload.de or something, Tucker.
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Leave an option for the original sounds and music. I would definitely want the option of being able to listen to Marty's original stuff instead of whatever this re-orchestration is going to be.